Lamp shade adapter



july 12, 1938. My w AsKlN 2,123,582

LAMP SHADE ADAPTER Filedvsept. 23, 1955 INVEA'TOR.

Patented July 12, 1938 UNITED STATES LAMP SHADE ADAPTER Morris W. Askin, Washington, D. C., assignor of one-half to David Brussell, Philadelphia, Pa.

Application September 23, 1935, Serial No. 41,809

1 Claim.

This invention relates to lamp stand and shade supports and has special reference to a device of this character wherein means are provided for supporting a lamp stand shade at desired ad- 5 justed distances from and in adjusted angular relations to a lamp stand.

One important object of the invention is to provide a novel device of this character having a lamp stand supporting element and a shade supporting element connected for relative angular and distance relations by means of knuckle-joint or lazy-tongs connections.

A second important object of the invention is to provide an improved device of this character wherein the action of the knuckle joints is limited so that the arms of such joints cannot be brought into alinement.

Another important object of the invention is to provide a novel device of this character wherein the shade may be supported in normal position for direct lighting.

Another important object of the invention is to provide a novel device of this character wherein the shade may be supported in inverted position for indirect lighting.

With the above and other objects in view, the invention consists in general of certain novel details of construction and combinations of parts hereinafter fully described, illustrated in the accompanying drawing and particularly pointed out in the claim.

In the accompanying drawing like characters of reference indicate like parts in the several views, and:

Figure 1 is a side elevation, partly in section, showing one form of the invention.

Figure 2 is a similar view showing a second form of the invention, the shade being partly broken away.

Figure 3 is a similar view showing a third form of the invention.

Figure 4 is an enlarged detail View showing the arrangement for limiting the movement of the knuckle joint arms.

Figure 5 is a reduced plan view showing a form of the device suited only for distance adjustment, and

Figure 6 is a reduced plan view showing a form of the invention wherein the device is held in place by a clamp substituted in place of the upper plate and adapted to be secured about a bulbor a bulb-receiving socket.

In the forms of the invention shown in Figures 1, 2 and 3 there is provided an upper plate IIB and a lower plate II which are provided with ears I2 and I3 respectively. In these forms the ears are arranged in diametrically opposite pairs. Pivoted to the ears I2 is a pair of outwardly extending knuckle joint arms I4 and knuckle joint arms i5 are similarly pivoted to the ears I3. 5 Each arm I4 is connected pivotally to an arm I5, the pivot being provided with a wing nut I s0 that the arms I4 and I5 may be clamped in desired angular relations. As shown in Figure 4, each arm I5 is partly straight at one end edge so 10 that, upon the arm being raised to its limit this at edge Il will engage the plate II and prevent any further raising of the arm. The arms I4 are similarly arranged with respect to the plate I and thus the arms I4 can never be brought 15 into alinement with the arms I5 so that the knuckle joints cannot be inclined in any other directions than outwardly.

In the form of the invention shown in Figure 1 the plate I0 has seated thereon a shade I8 and 20 is provided with a hanger loop I9. Extending downwardly from the plate I I is a lamp standard 2l? provided with a base (not shown). Thus in this form the lamp may be either supported from above or below. Obviously either the hanger or 25 the lower part of the standard and its base may be omitted. On the standard 2li is mounted a head 2l carrying sockets 22 in which are held the usual incandescent lamp bulbs 23. In this ligure the shade is shown in lowered position at 30 A, in raised position at B and in tilted position at C, the several positions being due, as clearly shown, to the particular angular relations of the` arms Il and I5,

In the form of the invention shown in Figure 2 35 the plate It and shade Z are connected by a ball and socket joint 25. From the plate II depends a socket supporting loop 26 having a socket 21 and lamp bulb 28. A standard 29 supports this form of lamp. 40

In the form shown in Figure 3 an inverted shade 3|, for indirect lighting, is carried by the plate II and a hanger 32 is connected to the plate It by a ball and socket joint 33.

In the form shown in Figure 5 the plate I0 45 carries four pairs of arms Ilia and the lower plate (not shown) carries four arms I5a. In this form no tilting is possible but the plates may be adjusted for distances.

In the form shown in Figure 6 the upper plate is replaced by an expansion ring 34 having an adjusting screw 35. This ring lits around a bulb` or bulb receiving socket and the lamp shade and its carrier will be supported in the same position shown in Figure 3. y 55 What is claimed, isz- In a shade holder, an upper plate, a lower plate, ears carried by each plate, upper arms pivoted to ears of the upper plate, lower arms pivoted to ears of the lower plate and to companion upper arms, the ends of said arms pivoted to the said ears each having a tapered extremity formed with a straight edge face for engaging the companion plate and limiting swinging of the arms in one direction, and meansv for connecting one plate 10 with a shade and the other plate with a support.

MORRIS W. ASKIN. 

